As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) COWLING REMOVED FOR STARTER CHANGE. INSPECTION FOUND THE EXHAUST STACK ON NR 2 CYLINDER BROKEN. THE OUTBOARD STUD AND THE HELICOIL WERE PULLED FROM THE CYLINDER. NUMBERS ON CYLINDERS AND ACCESSORIES DO NOT MATCH LOG BOOK NUMBERS.